Android phone has always been a geek’s joy, very convenient to customize with custom recoveries, custom ROMs and launchers. All seem too easy and fun, yet there are, times you might panic when you get a boot loop or a soft-brick while flashing or doing a simple update. There are many reasons behind it, eg. Checksum does not match, corrupted file or ROM, interruption of transmission between your device and the computer and etc. That’s where Nandroid comes into play, to restore your backup file as it was before, in working order.
NANDROID BACKUP FEATURES:
Nandroid backup is the process of backing up your Redmi Note 3 like :-
- Nvram – Stores WiFi, Bluetooth MAC address, Baseband version, IMEI/MEID number and other information.
- User Data – Messages, Call logs, media and app data.
IMPORTANCES OF NANDROID BACKUP:
- Revived your bricked device
- Recover the important information stored in the NVRAM
- Recover your personal data
- ROOTED – At least a Native ROOT
- TWRP - Custom Recovery
HELPFUL LINKS TO FLASH:
REBOOT TO RECOVERY MODE:
Go into Recovery mode, press & hold, the vol up + power button and release when see the Mi Logo. Or just goto Updater app > 3 dots on the upper right corner > Reboot to Recovery mode > Reboot now, as shown below:-
CREATING THE BACKUP:
Check that you have sufficient storage on your phone for the backup, as shown below:-
From the TWRP main menu, tap Backup.
In the backup menu, tick Boot, Nvram, System and Data.
Swipe to the right, to start the backup process, which might take a minute or two depending on the size of your backup, as shown below:-
Once the Backup is Successful, go back to the main menu and Reboot to System, as shown below:-
STORING THE BACKUP:
Now that you have made a Nandroid Backup for yourself, you need to store it separately from your device to a computer or OTG flash drive for your convenience and to recover the much needed space on your phone.
Use your Explorer app, goto Internal storage > TWRP > Backup, touch & hold and choose cut, and move to your OTG flash drive and choose paste, or if you decide to save it in your computer just cut the Backup file into a pre-created folder TWRP on your computer, as in the following imagery:-
Only when you need it due to the untoward circumstance, then transfer it back to your phone from your computer or OTG flash drive.
REVIVING & RESTORING YOUR DEVICE:
Should you run into a bricked, a bootloop or you lose your Nvram informations, all you need to do is to restore from the backup you have made earlier.
Now, copy the Backup from where you saved it, be it in your computer or OTG flash drive and just copy the Backup file to your device’s TWRP folder.
Then Reboot to Recovery from your device, and choose Backup from the TWRP main menu, and tap Restore, choose the Backup file, as shown below:-
NOTE: Remember to untick "Only mount system read-only" when you are Restoring back from the Backup. The following images will determine whether it is SUCCESSFUL or FAILED:-
Having done the restoration, go back to the TWRP main menu, tap Reboot and tap System, as shown below:-
Now you should be back to where you are before the bootloop or bricked.
CREDIT TO: TWRP 18.104.22.168 by Cloud
DISCLAIMER: Always perform a NANDROID Backup before you endeavor into flashing or updating your ROM. Flashing can potentially cause a brick or a bootloop. DO IT ON YOUR OWN RISK.
“Solving with Simplicity”